1 // SPDX-License-Identifier: GPL-2.0-or-later
3 mxb - v4l2 driver for the Multimedia eXtension Board
5 Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de>
7 Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html
8 for further details about this card.
12 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
14 #define DEBUG_VARIABLE debug
16 #include <media/drv-intf/saa7146_vv.h>
17 #include <media/tuner.h>
18 #include <media/v4l2-common.h>
19 #include <media/i2c/saa7115.h>
20 #include <linux/module.h>
21 #include <linux/kernel.h>
28 #define I2C_SAA7111A 0x24
29 #define I2C_TDA9840 0x42
30 #define I2C_TEA6415C 0x43
31 #define I2C_TEA6420_1 0x4c
32 #define I2C_TEA6420_2 0x4d
33 #define I2C_TUNER 0x60
35 #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
40 /* initial frequence the tuner will be tuned to.
41 in verden (lower saxony, germany) 4148 is a
42 channel called "phoenix" */
43 static int freq = 4148;
44 module_param(freq, int, 0644);
45 MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
48 module_param(debug, int, 0644);
49 MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
52 enum { TUNER, AUX1, AUX3, AUX3_YC };
54 static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
55 { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 0x3f, 0,
56 V4L2_STD_PAL_BG | V4L2_STD_PAL_I, 0, V4L2_IN_CAP_STD },
57 { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
58 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
59 { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
60 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
61 { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0,
62 V4L2_STD_ALL, 0, V4L2_IN_CAP_STD },
65 /* this array holds the information, which port of the saa7146 each
66 input actually uses. the mxb uses port 0 for every input */
70 } input_port_selection[MXB_INPUTS] = {
71 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
72 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
73 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
74 { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
77 /* this array holds the information of the audio source (mxb_audios),
78 which has to be switched corresponding to the video source (mxb_channels) */
79 static int video_audio_connect[MXB_INPUTS] =
87 /* these are the available audio sources, which can switched
88 to the line- and cd-output individually */
89 static struct v4l2_audio mxb_audios[MXB_AUDIOS] = {
93 .capability = V4L2_AUDCAP_STEREO,
97 .capability = V4L2_AUDCAP_STEREO,
101 .capability = V4L2_AUDCAP_STEREO,
105 .capability = V4L2_AUDCAP_STEREO,
108 .name = "Radio (X9)",
109 .capability = V4L2_AUDCAP_STEREO,
112 .name = "CD-ROM (X10)",
113 .capability = V4L2_AUDCAP_STEREO,
117 /* These are the necessary input-output-pins for bringing one audio source
118 (see above) to the CD-output. Note that gain is set to 0 in this table. */
119 static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = {
120 { { 1, 1 }, { 1, 1 } }, /* Tuner */
121 { { 5, 1 }, { 6, 1 } }, /* AUX 1 */
122 { { 4, 1 }, { 6, 1 } }, /* AUX 2 */
123 { { 3, 1 }, { 6, 1 } }, /* AUX 3 */
124 { { 1, 1 }, { 3, 1 } }, /* Radio */
125 { { 1, 1 }, { 2, 1 } }, /* CD-Rom */
126 { { 6, 1 }, { 6, 1 } } /* Mute */
129 /* These are the necessary input-output-pins for bringing one audio source
130 (see above) to the line-output. Note that gain is set to 0 in this table. */
131 static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = {
132 { { 2, 3 }, { 1, 2 } },
133 { { 5, 3 }, { 6, 2 } },
134 { { 4, 3 }, { 6, 2 } },
135 { { 3, 3 }, { 6, 2 } },
136 { { 2, 3 }, { 3, 2 } },
137 { { 2, 3 }, { 2, 2 } },
138 { { 6, 3 }, { 6, 2 } } /* Mute */
143 struct video_device video_dev;
144 struct video_device vbi_dev;
146 struct i2c_adapter i2c_adapter;
148 struct v4l2_subdev *saa7111a;
149 struct v4l2_subdev *tda9840;
150 struct v4l2_subdev *tea6415c;
151 struct v4l2_subdev *tuner;
152 struct v4l2_subdev *tea6420_1;
153 struct v4l2_subdev *tea6420_2;
155 int cur_mode; /* current audio mode (mono, stereo, ...) */
156 int cur_input; /* current input */
157 int cur_audinput; /* current audio input */
158 int cur_mute; /* current mute status */
159 struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
162 #define saa7111a_call(mxb, o, f, args...) \
163 v4l2_subdev_call(mxb->saa7111a, o, f, ##args)
164 #define tda9840_call(mxb, o, f, args...) \
165 v4l2_subdev_call(mxb->tda9840, o, f, ##args)
166 #define tea6415c_call(mxb, o, f, args...) \
167 v4l2_subdev_call(mxb->tea6415c, o, f, ##args)
168 #define tuner_call(mxb, o, f, args...) \
169 v4l2_subdev_call(mxb->tuner, o, f, ##args)
170 #define call_all(dev, o, f, args...) \
171 v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args)
173 static void mxb_update_audmode(struct mxb *mxb)
175 struct v4l2_tuner t = {
176 .audmode = mxb->cur_mode,
179 tda9840_call(mxb, tuner, s_tuner, &t);
182 static inline void tea6420_route(struct mxb *mxb, int idx)
184 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
185 TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0);
186 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
187 TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0);
188 v4l2_subdev_call(mxb->tea6420_1, audio, s_routing,
189 TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0);
190 v4l2_subdev_call(mxb->tea6420_2, audio, s_routing,
191 TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0);
194 static struct saa7146_extension extension;
196 static int mxb_s_ctrl(struct v4l2_ctrl *ctrl)
198 struct saa7146_dev *dev = container_of(ctrl->handler,
199 struct saa7146_dev, ctrl_handler);
200 struct mxb *mxb = dev->ext_priv;
203 case V4L2_CID_AUDIO_MUTE:
204 mxb->cur_mute = ctrl->val;
205 /* switch the audio-source */
206 tea6420_route(mxb, ctrl->val ? 6 :
207 video_audio_connect[mxb->cur_input]);
215 static const struct v4l2_ctrl_ops mxb_ctrl_ops = {
216 .s_ctrl = mxb_s_ctrl,
219 static int mxb_probe(struct saa7146_dev *dev)
221 struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
222 struct mxb *mxb = NULL;
224 v4l2_ctrl_new_std(hdl, &mxb_ctrl_ops,
225 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
228 mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
230 DEB_D("not enough kernel memory\n");
235 snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
237 saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
238 if (i2c_add_adapter(&mxb->i2c_adapter) < 0) {
239 DEB_S("cannot register i2c-device. skipping.\n");
244 mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
245 "saa7111", I2C_SAA7111A, NULL);
246 mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
247 "tea6420", I2C_TEA6420_1, NULL);
248 mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
249 "tea6420", I2C_TEA6420_2, NULL);
250 mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
251 "tea6415c", I2C_TEA6415C, NULL);
252 mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
253 "tda9840", I2C_TDA9840, NULL);
254 mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
255 "tuner", I2C_TUNER, NULL);
257 /* check if all devices are present */
258 if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
259 !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
260 pr_err("did not find all i2c devices. aborting\n");
261 i2c_del_adapter(&mxb->i2c_adapter);
266 /* all devices are present, probe was successful */
268 /* we store the pointer in our private data field */
271 v4l2_ctrl_handler_setup(hdl);
276 /* some init data for the saa7740, the so-called 'sound arena module'.
277 there are no specs available, so we simply use some init values */
281 } mxb_saa7740_init[] = {
282 { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
283 { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
284 { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
285 { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
286 { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
287 { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
288 { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
289 { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
290 { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
291 { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
292 { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
293 { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
294 { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
295 { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
296 { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
297 { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
298 { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
299 { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
300 { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
301 { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
302 { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
303 { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
304 { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
305 { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
306 { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
307 { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
308 { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
309 { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
310 { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
311 { 3, { 0x48, 0x00, 0x01 } },
312 { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
313 { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
314 { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
315 { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
316 { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
317 { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
318 { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
319 { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
320 { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
321 { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
322 { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
323 { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
324 { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
325 { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
326 { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
327 { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
328 { 3, { 0x80, 0xb3, 0x0a } },
332 /* bring hardware to a sane state. this has to be done, just in case someone
333 wants to capture from this device before it has been properly initialized.
334 the capture engine would badly fail, because no valid signal arrives on the
335 saa7146, thus leading to timeouts and stuff. */
336 static int mxb_init_done(struct saa7146_dev* dev)
338 struct mxb* mxb = (struct mxb*)dev->ext_priv;
340 struct tuner_setup tun_setup;
341 v4l2_std_id std = V4L2_STD_PAL_BG;
345 /* mute audio on tea6420s */
346 tea6420_route(mxb, 6);
348 /* select video mode in saa7111a */
349 saa7111a_call(mxb, video, s_std, std);
351 /* select tuner-output on saa7111a */
353 saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0,
354 SAA7111_FMT_CCIR, 0);
356 /* select a tuner type */
357 tun_setup.mode_mask = T_ANALOG_TV;
358 tun_setup.addr = ADDR_UNSET;
359 tun_setup.type = TUNER_PHILIPS_PAL;
360 tuner_call(mxb, tuner, s_type_addr, &tun_setup);
361 /* tune in some frequency on tuner */
362 mxb->cur_freq.tuner = 0;
363 mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
364 mxb->cur_freq.frequency = freq;
365 tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq);
367 /* set a default video standard */
368 /* These two gpio calls set the GPIO pins that control the tda9820 */
369 saa7146_write(dev, GPIO_CTRL, 0x00404050);
370 saa7111a_call(mxb, core, s_gpio, 1);
371 saa7111a_call(mxb, video, s_std, std);
372 tuner_call(mxb, video, s_std, std);
374 /* switch to tuner-channel on tea6415c */
375 tea6415c_call(mxb, video, s_routing, 3, 17, 0);
377 /* select tuner-output on multicable on tea6415c */
378 tea6415c_call(mxb, video, s_routing, 3, 13, 0);
380 /* the rest for mxb */
382 mxb->cur_audinput = video_audio_connect[mxb->cur_input];
385 mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
386 mxb_update_audmode(mxb);
388 /* check if the saa7740 (aka 'sound arena module') is present
389 on the mxb. if so, we must initialize it. due to lack of
390 information about the saa7740, the values were reverse
394 msg.len = mxb_saa7740_init[0].length;
395 msg.buf = &mxb_saa7740_init[0].data[0];
397 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
399 /* the sound arena module is a pos, that's probably the reason
400 philips refuses to hand out a datasheet for the saa7740...
401 it seems to screw up the i2c bus, so we disable fast irq
402 based i2c transactions here and rely on the slow and safe
403 polling method ... */
404 extension.flags &= ~SAA7146_USE_I2C_IRQ;
406 if (-1 == mxb_saa7740_init[i].length)
409 msg.len = mxb_saa7740_init[i].length;
410 msg.buf = &mxb_saa7740_init[i].data[0];
411 err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
413 DEB_D("failed to initialize 'sound arena module'\n");
417 pr_info("'sound arena module' detected\n");
420 /* the rest for saa7146: you should definitely set some basic values
421 for the input-port handling of the saa7146. */
423 /* ext->saa has been filled by the core driver */
425 /* some stuff is done via variables */
426 saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source,
427 input_port_selection[mxb->cur_input].hps_sync);
429 /* some stuff is done via direct write to the registers */
431 /* this is ugly, but because of the fact that this is completely
432 hardware dependend, it should be done directly... */
433 saa7146_write(dev, DD1_STREAM_B, 0x00000000);
434 saa7146_write(dev, DD1_INIT, 0x02000200);
435 saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
440 /* interrupt-handler. this gets called when irq_mask is != 0.
441 it must clear the interrupt-bits in irq_mask it has handled */
443 void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
445 struct mxb* mxb = (struct mxb*)dev->ext_priv;
449 static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
451 DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index);
452 if (i->index >= MXB_INPUTS)
454 memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
458 static int vidioc_g_input(struct file *file, void *fh, unsigned int *i)
460 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
461 struct mxb *mxb = (struct mxb *)dev->ext_priv;
464 DEB_EE("VIDIOC_G_INPUT %d\n", *i);
468 static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
470 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
471 struct mxb *mxb = (struct mxb *)dev->ext_priv;
475 DEB_EE("VIDIOC_S_INPUT %d\n", input);
477 if (input >= MXB_INPUTS)
480 mxb->cur_input = input;
482 saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source,
483 input_port_selection[input].hps_sync);
485 /* prepare switching of tea6415c and saa7111a;
486 have a look at the 'background'-file for further information */
489 i = SAA7115_COMPOSITE0;
491 err = tea6415c_call(mxb, video, s_routing, 3, 17, 0);
493 /* connect tuner-output always to multicable */
495 err = tea6415c_call(mxb, video, s_routing, 3, 13, 0);
498 /* nothing to be done here. aux3_yc is
499 directly connected to the saa711a */
503 /* nothing to be done here. aux3 is
504 directly connected to the saa711a */
505 i = SAA7115_COMPOSITE1;
508 i = SAA7115_COMPOSITE0;
509 err = tea6415c_call(mxb, video, s_routing, 1, 17, 0);
516 /* switch video in saa7111a */
517 if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0))
518 pr_err("VIDIOC_S_INPUT: could not address saa7111a\n");
520 mxb->cur_audinput = video_audio_connect[input];
521 /* switch the audio-source only if necessary */
522 if (0 == mxb->cur_mute)
523 tea6420_route(mxb, mxb->cur_audinput);
524 if (mxb->cur_audinput == 0)
525 mxb_update_audmode(mxb);
530 static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t)
532 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
533 struct mxb *mxb = (struct mxb *)dev->ext_priv;
536 DEB_D("VIDIOC_G_TUNER: channel %d does not have a tuner attached\n",
541 DEB_EE("VIDIOC_G_TUNER: %d\n", t->index);
543 memset(t, 0, sizeof(*t));
544 strscpy(t->name, "TV Tuner", sizeof(t->name));
545 t->type = V4L2_TUNER_ANALOG_TV;
546 t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
547 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
548 t->audmode = mxb->cur_mode;
549 return call_all(dev, tuner, g_tuner, t);
552 static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *t)
554 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
555 struct mxb *mxb = (struct mxb *)dev->ext_priv;
558 DEB_D("VIDIOC_S_TUNER: channel %d does not have a tuner attached\n",
563 mxb->cur_mode = t->audmode;
564 return call_all(dev, tuner, s_tuner, t);
567 static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *norm)
569 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
571 return call_all(dev, video, querystd, norm);
574 static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f)
576 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
577 struct mxb *mxb = (struct mxb *)dev->ext_priv;
583 DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency);
587 static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *f)
589 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
590 struct mxb *mxb = (struct mxb *)dev->ext_priv;
591 struct saa7146_vv *vv = dev->vv_data;
596 if (V4L2_TUNER_ANALOG_TV != f->type)
599 DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency);
601 /* tune in desired frequency */
602 tuner_call(mxb, tuner, s_frequency, f);
603 /* let the tuner subdev clamp the frequency to the tuner range */
605 tuner_call(mxb, tuner, g_frequency, &mxb->cur_freq);
606 if (mxb->cur_audinput == 0)
607 mxb_update_audmode(mxb);
612 /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
613 spin_lock(&dev->slock);
614 vv->vbi_fieldcount = 0;
615 spin_unlock(&dev->slock);
620 static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
622 if (a->index >= MXB_AUDIOS)
624 *a = mxb_audios[a->index];
628 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
630 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
631 struct mxb *mxb = (struct mxb *)dev->ext_priv;
633 DEB_EE("VIDIOC_G_AUDIO\n");
634 *a = mxb_audios[mxb->cur_audinput];
638 static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
640 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
641 struct mxb *mxb = (struct mxb *)dev->ext_priv;
643 DEB_D("VIDIOC_S_AUDIO %d\n", a->index);
644 if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) {
645 if (mxb->cur_audinput != a->index) {
646 mxb->cur_audinput = a->index;
647 tea6420_route(mxb, a->index);
648 if (mxb->cur_audinput == 0)
649 mxb_update_audmode(mxb);
656 #ifdef CONFIG_VIDEO_ADV_DEBUG
657 static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
659 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
661 if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
663 reg->val = saa7146_read(dev, reg->reg);
668 static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
670 struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
672 if (reg->reg > pci_resource_len(dev->pci, 0) - 4)
674 saa7146_write(dev, reg->reg, reg->val);
679 static struct saa7146_ext_vv vv_data;
681 /* this function only gets called when the probing was successful */
682 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
686 DEB_EE("dev:%p\n", dev);
688 saa7146_vv_init(dev, &vv_data);
689 if (mxb_probe(dev)) {
690 saa7146_vv_release(dev);
693 mxb = (struct mxb *)dev->ext_priv;
695 vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input;
696 vv_data.vid_ops.vidioc_g_input = vidioc_g_input;
697 vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
698 vv_data.vid_ops.vidioc_querystd = vidioc_querystd;
699 vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner;
700 vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner;
701 vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency;
702 vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency;
703 vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio;
704 vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio;
705 vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio;
706 #ifdef CONFIG_VIDEO_ADV_DEBUG
707 vv_data.vid_ops.vidioc_g_register = vidioc_g_register;
708 vv_data.vid_ops.vidioc_s_register = vidioc_s_register;
710 if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
711 ERR("cannot register capture v4l2 device. skipping.\n");
712 saa7146_vv_release(dev);
716 /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
717 if (MXB_BOARD_CAN_DO_VBI(dev)) {
718 if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
719 ERR("cannot register vbi v4l2 device. skipping.\n");
723 pr_info("found Multimedia eXtension Board #%d\n", mxb_num);
730 static int mxb_detach(struct saa7146_dev *dev)
732 struct mxb *mxb = (struct mxb *)dev->ext_priv;
734 DEB_EE("dev:%p\n", dev);
736 /* mute audio on tea6420s */
737 tea6420_route(mxb, 6);
739 saa7146_unregister_device(&mxb->video_dev,dev);
740 if (MXB_BOARD_CAN_DO_VBI(dev))
741 saa7146_unregister_device(&mxb->vbi_dev, dev);
742 saa7146_vv_release(dev);
746 i2c_del_adapter(&mxb->i2c_adapter);
752 static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
754 struct mxb *mxb = (struct mxb *)dev->ext_priv;
756 if (V4L2_STD_PAL_I == standard->id) {
757 v4l2_std_id std = V4L2_STD_PAL_I;
759 DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n");
760 /* These two gpio calls set the GPIO pins that control the tda9820 */
761 saa7146_write(dev, GPIO_CTRL, 0x00404050);
762 saa7111a_call(mxb, core, s_gpio, 0);
763 saa7111a_call(mxb, video, s_std, std);
764 if (mxb->cur_input == 0)
765 tuner_call(mxb, video, s_std, std);
767 v4l2_std_id std = V4L2_STD_PAL_BG;
771 DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n");
772 /* These two gpio calls set the GPIO pins that control the tda9820 */
773 saa7146_write(dev, GPIO_CTRL, 0x00404050);
774 saa7111a_call(mxb, core, s_gpio, 1);
775 saa7111a_call(mxb, video, s_std, std);
776 if (mxb->cur_input == 0)
777 tuner_call(mxb, video, s_std, std);
782 static struct saa7146_standard standard[] = {
784 .name = "PAL-BG", .id = V4L2_STD_PAL_BG,
785 .v_offset = 0x17, .v_field = 288,
786 .h_offset = 0x14, .h_pixels = 680,
787 .v_max_out = 576, .h_max_out = 768,
789 .name = "PAL-I", .id = V4L2_STD_PAL_I,
790 .v_offset = 0x17, .v_field = 288,
791 .h_offset = 0x14, .h_pixels = 680,
792 .v_max_out = 576, .h_max_out = 768,
794 .name = "NTSC", .id = V4L2_STD_NTSC,
795 .v_offset = 0x16, .v_field = 240,
796 .h_offset = 0x06, .h_pixels = 708,
797 .v_max_out = 480, .h_max_out = 640,
799 .name = "SECAM", .id = V4L2_STD_SECAM,
800 .v_offset = 0x14, .v_field = 288,
801 .h_offset = 0x14, .h_pixels = 720,
802 .v_max_out = 576, .h_max_out = 768,
806 static struct saa7146_pci_extension_data mxb = {
807 .ext_priv = "Multimedia eXtension Board",
811 static const struct pci_device_id pci_tbl[] = {
813 .vendor = PCI_VENDOR_ID_PHILIPS,
814 .device = PCI_DEVICE_ID_PHILIPS_SAA7146,
817 .driver_data = (unsigned long)&mxb,
823 MODULE_DEVICE_TABLE(pci, pci_tbl);
825 static struct saa7146_ext_vv vv_data = {
826 .inputs = MXB_INPUTS,
827 .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_AUDIO,
828 .stds = &standard[0],
829 .num_stds = ARRAY_SIZE(standard),
830 .std_callback = &std_callback,
833 static struct saa7146_extension extension = {
834 .name = "Multimedia eXtension Board",
835 .flags = SAA7146_USE_I2C_IRQ,
837 .pci_tbl = &pci_tbl[0],
838 .module = THIS_MODULE,
840 .attach = mxb_attach,
841 .detach = mxb_detach,
847 static int __init mxb_init_module(void)
849 if (saa7146_register_extension(&extension)) {
850 DEB_S("failed to register extension\n");
857 static void __exit mxb_cleanup_module(void)
859 saa7146_unregister_extension(&extension);
862 module_init(mxb_init_module);
863 module_exit(mxb_cleanup_module);
865 MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
866 MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
867 MODULE_LICENSE("GPL");